There are four light-weight-rod samples, separately suspended by threads. A bar magnet is slowly brought near each sample and the following observations are noted: (i) is feebly repelled (ii) is feebly attracted (iii) is strongly attracted (iv) remains unaffected. Which one of the following is true?
- Ais of a non-magnetic material
- Bis of a paramagnetic material
- Cis of a diamagnetic material
- Dis of a ferromagnetic material